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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-11 21:55:47 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-11 21:55:47 -0700
commite86908614f2c7fec401827e5cefd7a6ea9407f85 (patch)
treefcb5d9e52422b37bdaf0e647126ebdfc1680f162 /arch/powerpc/platforms/cell/axon_msi.c
parent547307420931344a868275bd7ea7a30f117a15a9 (diff)
parent9b4b8feb962f4b3e74768b7205f1f8f6cce87238 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (408 commits) [POWERPC] Add memchr() to the bootwrapper [POWERPC] Implement logging of unhandled signals [POWERPC] Add legacy serial support for OPB with flattened device tree [POWERPC] Use 1TB segments [POWERPC] XilinxFB: Allow fixed framebuffer base address [POWERPC] XilinxFB: Add support for custom screen resolution [POWERPC] XilinxFB: Use pdata to pass around framebuffer parameters [POWERPC] PCI: Add 64-bit physical address support to setup_indirect_pci [POWERPC] 4xx: Kilauea defconfig file [POWERPC] 4xx: Kilauea DTS [POWERPC] 4xx: Add AMCC Kilauea eval board support to platforms/40x [POWERPC] 4xx: Add AMCC 405EX support to cputable.c [POWERPC] Adjust TASK_SIZE on ppc32 systems to 3GB that are capable [POWERPC] Use PAGE_OFFSET to tell if an address is user/kernel in SW TLB handlers [POWERPC] 85xx: Enable FP emulation in MPC8560 ADS defconfig [POWERPC] 85xx: Killed <asm/mpc85xx.h> [POWERPC] 85xx: Add cpm nodes for 8541/8555 CDS [POWERPC] 85xx: Convert mpc8560ads to the new CPM binding. [POWERPC] mpc8272ads: Remove muram from the CPM reg property. [POWERPC] Make clockevents work on PPC601 processors ... Fixed up conflict in Documentation/powerpc/booting-without-of.txt manually.
Diffstat (limited to 'arch/powerpc/platforms/cell/axon_msi.c')
-rw-r--r--arch/powerpc/platforms/cell/axon_msi.c35
1 files changed, 12 insertions, 23 deletions
diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c
index 4c9ab5b70ba..1245b2f517b 100644
--- a/arch/powerpc/platforms/cell/axon_msi.c
+++ b/arch/powerpc/platforms/cell/axon_msi.c
@@ -64,13 +64,11 @@
struct axon_msic {
- struct device_node *dn;
struct irq_host *irq_host;
__le32 *fifo;
dcr_host_t dcr_host;
struct list_head list;
u32 read_offset;
- u32 dcr_base;
};
static LIST_HEAD(axon_msic_list);
@@ -79,12 +77,12 @@ static void msic_dcr_write(struct axon_msic *msic, unsigned int dcr_n, u32 val)
{
pr_debug("axon_msi: dcr_write(0x%x, 0x%x)\n", val, dcr_n);
- dcr_write(msic->dcr_host, msic->dcr_base + dcr_n, val);
+ dcr_write(msic->dcr_host, msic->dcr_host.base + dcr_n, val);
}
static u32 msic_dcr_read(struct axon_msic *msic, unsigned int dcr_n)
{
- return dcr_read(msic->dcr_host, msic->dcr_base + dcr_n);
+ return dcr_read(msic->dcr_host, msic->dcr_host.base + dcr_n);
}
static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
@@ -126,7 +124,7 @@ static struct axon_msic *find_msi_translator(struct pci_dev *dev)
const phandle *ph;
struct axon_msic *msic = NULL;
- dn = pci_device_to_OF_node(dev);
+ dn = of_node_get(pci_device_to_OF_node(dev));
if (!dn) {
dev_dbg(&dev->dev, "axon_msi: no pci_dn found\n");
return NULL;
@@ -183,7 +181,7 @@ static int setup_msi_msg_address(struct pci_dev *dev, struct msi_msg *msg)
int len;
const u32 *prop;
- dn = pci_device_to_OF_node(dev);
+ dn = of_node_get(pci_device_to_OF_node(dev));
if (!dn) {
dev_dbg(&dev->dev, "axon_msi: no pci_dn found\n");
return -ENODEV;
@@ -295,15 +293,7 @@ static int msic_host_map(struct irq_host *h, unsigned int virq,
return 0;
}
-static int msic_host_match(struct irq_host *host, struct device_node *dn)
-{
- struct axon_msic *msic = host->host_data;
-
- return msic->dn == dn;
-}
-
static struct irq_host_ops msic_host_ops = {
- .match = msic_host_match,
.map = msic_host_map,
};
@@ -314,7 +304,8 @@ static int axon_msi_notify_reboot(struct notifier_block *nb,
u32 tmp;
list_for_each_entry(msic, &axon_msic_list, list) {
- pr_debug("axon_msi: disabling %s\n", msic->dn->full_name);
+ pr_debug("axon_msi: disabling %s\n",
+ msic->irq_host->of_node->full_name);
tmp = msic_dcr_read(msic, MSIC_CTRL_REG);
tmp &= ~MSIC_CTRL_ENABLE & ~MSIC_CTRL_IRQ_ENABLE;
msic_dcr_write(msic, MSIC_CTRL_REG, tmp);
@@ -332,7 +323,7 @@ static int axon_msi_setup_one(struct device_node *dn)
struct page *page;
struct axon_msic *msic;
unsigned int virq;
- int dcr_len;
+ int dcr_base, dcr_len;
pr_debug("axon_msi: setting up dn %s\n", dn->full_name);
@@ -343,17 +334,17 @@ static int axon_msi_setup_one(struct device_node *dn)
goto out;
}
- msic->dcr_base = dcr_resource_start(dn, 0);
+ dcr_base = dcr_resource_start(dn, 0);
dcr_len = dcr_resource_len(dn, 0);
- if (msic->dcr_base == 0 || dcr_len == 0) {
+ if (dcr_base == 0 || dcr_len == 0) {
printk(KERN_ERR
"axon_msi: couldn't parse dcr properties on %s\n",
dn->full_name);
goto out;
}
- msic->dcr_host = dcr_map(dn, msic->dcr_base, dcr_len);
+ msic->dcr_host = dcr_map(dn, dcr_base, dcr_len);
if (!DCR_MAP_OK(msic->dcr_host)) {
printk(KERN_ERR "axon_msi: dcr_map failed for %s\n",
dn->full_name);
@@ -370,8 +361,8 @@ static int axon_msi_setup_one(struct device_node *dn)
msic->fifo = page_address(page);
- msic->irq_host = irq_alloc_host(IRQ_HOST_MAP_NOMAP, NR_IRQS,
- &msic_host_ops, 0);
+ msic->irq_host = irq_alloc_host(of_node_get(dn), IRQ_HOST_MAP_NOMAP,
+ NR_IRQS, &msic_host_ops, 0);
if (!msic->irq_host) {
printk(KERN_ERR "axon_msi: couldn't allocate irq_host for %s\n",
dn->full_name);
@@ -387,8 +378,6 @@ static int axon_msi_setup_one(struct device_node *dn)
goto out_free_host;
}
- msic->dn = of_node_get(dn);
-
set_irq_data(virq, msic);
set_irq_chained_handler(virq, axon_msi_cascade);
pr_debug("axon_msi: irq 0x%x setup for axon_msi\n", virq);